Changeset 610 for pjproject/trunk/pjsip/src/pjsip/sip_transaction.c

Timestamp:

Jul 18, 2006 12:10:53 AM (17 years ago)

Author:

bennylp

Message:

Fixed several bugs related to TCP:

File:

• pjproject/trunk/pjsip/src/pjsip/sip_transaction.c (modified) (2 diffs)

pjproject/trunk/pjsip/src/pjsip/sip_transaction.c

@@ -649 +649 @@
 static pj_status_t mod_tsx_layer_unload(void)
 {
+    /* Only self destroy when there's no transaction in the table.
+     * Transaction may refuse to destroy when it has pending
+     * transmission. If we destroy the module now, application will
+     * crash when the pending transaction finally got error response
+     * from transport and when it tries to unregister itself.
+     */
+    if (pj_hash_count(mod_tsx_layer.htable) != 0)
+        return PJ_EBUSY;
+
     /* Destroy mutex. */
     pj_mutex_destroy(mod_tsx_layer.mutex);
@@ -928 +937 @@
     if (tsx->transport_flag & TSX_HAS_PENDING_TRANSPORT) {
         tsx->transport_flag |= TSX_HAS_PENDING_DESTROY;
+        tsx->tsx_user = NULL;
         PJ_LOG(4,(tsx->obj_name, "Will destroy later because transport is "
                                  "in progress"));